2012 Scion Xb: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"I WAS T-BONED ON MARCH 6TH, 2013 ON THE DRIVER'S SIDE. I WAS IN A SCION XB AND THE PERSON WHO HIT ME WAS IN A CHEVY SILVERADO. THE IMPACT WAS ESTIMATED AT 45 MPH AND THE DOOR WAS JAMMED SHUT. NO AIR BAGS DEPLOYED. THE CURTAIN AIRBAG SHOULD HAVE WHICH WOULD HAVE LESSENED THE IMPACT. AS A RESULT, T..."
"LOSS OF VACUUM PRESSURE TO POWER BRAKE BOOSTER UNDER DECELERATION AT 10MPH AND UNDER. MY VEHICLE IS A 2012 SCION XB AUTOMATIC. THERE IS A SUDDEN LOSS OF VACUUM PRESSURE TO THE POWER BRAKE BOOSTER DURING DECELERATION AROUND 10MPH WHICH CAUSE THE BRAKES TO BECOME LESS RESPONSIVE THE MOMENT THE TRAN..."
"TL* THE CONTACT OWNS A 2012 SCION XB. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE DECELERATED, THE STEERING WHEEL WAS TIGHT, AND SMOKE EMITTED FROM THE REAR OF THE VEHICLE. THE CONTACT WAS ABLE TO EXIT THE VEHICLE WITHOUT INJURY. THE VEHICLE ERUPTED INTO FLAMES AND THE CONTACT WAS ABLE TO EXTING..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Scion Xb — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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